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turn your coloured parts into raw 
Here's a solution.......
I use caustic soda to remove the paint of coloured parts. ( small parts)
You need a tin can or jar, a liter of boiled water and caustic soda
The ratio = 1 part of caustic soda
30 parts of boiled water
This is how it works.....
take some small patrs and put them together with the caustic soda into the can.
Than boil the water and poor it into the can. The water will continue to boil.
Let it boil for max. 30 to 60 sec. make sure you do not wait to long, otherwise
the patrs may not fit anymore.:
Wash the parts with cold water.
Do not try this inside your house. Look for a place outside on the street..
What you get is a clean and smooth result.
Here's a solution.......
I use caustic soda to remove the paint of coloured parts. ( small parts)
You need a tin can or jar, a liter of boiled water and caustic soda
The ratio = 1 part of caustic soda
30 parts of boiled water
This is how it works.....
take some small patrs and put them together with the caustic soda into the can.
Than boil the water and poor it into the can. The water will continue to boil.
Let it boil for max. 30 to 60 sec. make sure you do not wait to long, otherwise
the patrs may not fit anymore.:
Wash the parts with cold water.Do not try this inside your house. Look for a place outside on the street..
What you get is a clean and smooth result.
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